4.8 in 10.28 in  | 2.64 in 7.09 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Libratone Zipp |  Ultimate Ears Boom 2 | |
|---|---|---|
| Channels | 2.1 | 2.1 |
| Low frequency | 60.0 Hz | 90.0 Hz |
| High frequency | 20.0 kHz | 20.0 kHz |
| Peak power | 60.0 W | 9.0 W |
| Number of drivers | 3 | 2 |
| Libratone Zipp | Ultimate Ears Boom 2 | |
|---|---|---|
| Colour of product |
|
|
| Libratone Zipp | Ultimate Ears Boom 2 | |
|---|---|---|
| Height | 10.28 in | 7.09 in |
| Width | 4.8 in | 2.64 in |
| Depth | 4.8 in | 2.64 in |
| Weight | 52.91 oz | 19.33 oz |
| Libratone Zipp | Ultimate Ears Boom 2 | |
|---|---|---|
| USB | yes | yes |
| USB version | 2.0 | 2.0 |
| AUX in | yes | yes |
| Source of connection |
|
|
| Aptx Support | no | no |
| Bluetooth | yes | yes |
| Bluetooth codec | aptX | SBC |
| Bluetooth profile | APT-X |
|
| Wired inputs | 3.5mm |
|
| Bluetooth version | 4.0 | 4.1 |
| Analogue 3.5mm input (Aux) | 1 | 1 |
| Wireless network (Wi-Fi) | no | no |
| NFC | yes | yes |
| Headphone Port | yes | yes |
| Libratone Zipp | Ultimate Ears Boom 2 | |
|---|---|---|
| Docking station for mobile/Tablet | no | no |
| Radio receiver | yes | no |
| Smart speaker (virtual assistant) | no | no |
| Streaming standards |
| Spotify Connect |
| USB input port | yes | yes |
| Water resistant | no | yes |
| Libratone Zipp | Ultimate Ears Boom 2 | |
|---|---|---|
| Battery operated | yes | yes |
| USB powered | yes | yes |
| Electric (not USB) | yes | no |
| Battery type | Li-Ion | Li-Ion |
| Playback time | 10.0 h | 15.0 h |
| Battery life (max) | 8.0 h | 15.0 h |
| Pros | ||
|---|---|---|
| Cons |
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